docs: update commit file path for default-image-tag updates

Author: thewtex

src/docker/RELEASE.md

@@ -17,6 +17,6 @@ pnpm i
 ./src/docker/build.sh --with-debug
 # DockerHub credential environmental variables must be set
 ./src/docker/push.sh
-git add -- src/itk-wasm-cli.js
+git add -- packages/core/typescript/itk-wasm/src/default-image-tag.js
 git commit -m "feat(itk-wasm-cli): Update default Docker image for $(date '+%Y%m%d')-$(git rev-parse --short HEAD)"
 ```